Error tweaks (#9891)

* Wrap model import in try/except

* Fix circular imports

* Adjust exception handling

src/backend/InvenTree/InvenTree/exceptions.py

@@ -38,7 +38,15 @@ def log_error(
         scope: The scope of the error (optional)
         plugin: The plugin name associated with this error (optional)
     """
-    from error_report.models import Error
+    import InvenTree.ready
+
+    if any([
+        InvenTree.ready.isImportingData(),
+        InvenTree.ready.isRunningMigrations(),
+        InvenTree.ready.isRunningBackup(),
+    ]):
+        logger.exception('Exception occurred during import, migration, or backup')
+        return
 
     if not path:
         path = ''
@@ -78,6 +86,8 @@ def log_error(
     kind = kind[:128]
 
     try:
+        from error_report.models import Error
+
         Error.objects.create(kind=kind, info=info or '', data=data or '', path=path)
     except Exception:
         # Not much we can do if logging the error throws a db exception

src/backend/InvenTree/part/stocktake.py

@@ -15,15 +15,12 @@ from djmoney.money import Money
 import common.currency
 import common.models
 import InvenTree.helpers
-import part.models
 import stock.models
 
 logger = structlog.get_logger('inventree')
 
 
-def perform_stocktake(
-    target: part.models.Part, user: User, note: str = '', commit=True, **kwargs
-):
+def perform_stocktake(target, user: User, note: str = '', commit=True, **kwargs):
     """Perform stocktake action on a single part.
 
     Arguments:
@@ -44,6 +41,8 @@ def perform_stocktake(
 
     In this case, the stocktake *report* will be limited to the specified location.
     """
+    import part.models
+
     # Determine which locations are "valid" for the generated report
     location = kwargs.get('location')
     locations = location.get_descendants(include_self=True) if location else []
@@ -162,6 +161,8 @@ def generate_stocktake_report(**kwargs):
         generate_report: If True, generate a stocktake report from the calculated data (default=True)
         update_parts: If True, save stocktake information against each filtered Part (default = True)
     """
+    import part.models
+
     # Determine if external locations should be excluded
     exclude_external = kwargs.get(
         'exclude_exernal',